Improvement in saw-handles



UNITED STATES PATENT N OFFICE.

ELIAS C. ATKINS, OF INDIANAPOLIS, INDIANA.

IMPROVEMENT IN SAW-HANDLES.

Specication forming part of Letters Patent No. 139,756, dated J une 10,1873 application led September 16, 1871.

To all whom it may concern.-

Beit known that I, ELIAS C. ATKrNs, of Indianapolis, county of Marion,State of Indiana, have invented certain new and useful Imf provementsfin Saw-Handles; and I do declare the following to be a full, clear, andexact description Aof the same, such as will' enable others skilled inthe art to which it pertains to make and use it, reference beinghad tothe accompanying drawings which form a part of this specification.

This invention relates to handles for saws; and it consists in theconstruction and combination of certain of its parts, as will be morefully described hereinafter.

In the drawings, Figure lis a view ofrnyiin' proved handle attached toa, cross-cut saw blade. Fig. 2 is the same in longitudinal section. Fig.3 is a cross-section ofthe ferrule at a: a, whore it has contact withthe wooden handle. a is a wooden handle dressed to a sea-t at a: wforthe reception ofthe metal ferrule b. It is also bored out beneath forthe reception of the shank n of the looped bolt d. A

nut f sits into a recess, the opening of which is filled by the block mdressed Hush with the surface of the handle. The ferrule b is enlargedin diameter from the top downward, so as to form a broad iirm bearingupon the washer (l, and is pivoted at the bottom with an annular recesswhich receives the shoulder c on the eXtreme rim of the washer. Thewasher C has a surface at the base g, broad enough to give it a iirmbearing upon the top edge of the saw-blade e, and to furnish a secureseat for the ferrule to rest in. From the inner surface of its base orseat where it rests upon the saw it is extended upward, in

the form of afrustum of a cone, nearly to the lower end of the woodenhandle, at which point 'it is provided `with a head or disk, through anaperture in which the shank of the looped bolt d passes freely, butwhich ills it so nearly that it forms a support for said shank .at thatpoint, so that upon the slightest yielding of the handle in use, itshall aid the ferrule b in preventing any movement upon the washer orupon the saw. When the handle is turned so as to run the nut f down uponthe bolt n, the handle is soon firmly and rigidly attached; but in usingthe saw the action of the hand upon the wooden portion a is such as willconstantly tend to loosen the nut The broad base given to the ferruleand the locking action of the shoulder setting into the annular recessat the bottom preclude the possibility of loosening at this joint. 'Thewood, however, being of a yielding and compressible nature, is liable towork loose at the shank :v :c so that the action of the hand in sawingwill cause it to turn, and in thus turning to run the nut f off the boltn. I therefore provide the ferrule on the inside along the portion x a:with elongated sharpened ribs or projections b b', Fig. 3, whichembedthemselves iirinly in the handle t and obviate this diiieulty.

I do not propose to claim, broadly, the combination of the abovedescribed parts to form detachable saw-handle irrespective of thepeculiar construction of the washer and ferrule, as somewhat sim ilar'elements have heretofore been combined for the same purpose.

Bylettin g the ferrule project some distance beyond the end of thehandle to form a chamber orrecess for the reception ofthe convexityofthe washer, and iittin g the lower end of the ferrule snugly to therim of the washer, the two are so connected together when the handle isapplied to a saw-blade that they will prevent any lateral movement ofthe handle, being in this respect a great improvement upon the handlesotherwise like mine, but differing therefrom by having flat surfaces ofContact between the ferrule and washer.`

Having thus described my invention, what I claim, and desire to secureby Letters Pat- The open-ended ferrule b projecting beyond the end ofthe handle, the notched frustumshaped washer C fitted to the end of theferrule, entering its projecting end and thus form'- ing a supportforthe shank, in combination with the handle a, slotted bolt a, and nut f,substantially as and for the purpose set forth.

ELIAS C. ATKIN S.

Witnesses:

W. D. ELLIOTT, J AMES MILLEsAN.

